HEX atlas value

#123B0C

#123B0C is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 18, 59, 12, HSL 112, 66%, 14%, has luminance 0.0328, and belongs to the dark and jewel tone groups.

green cool dark jewel-tone

#123B0C Sample readable text

HEX #123B0C

RGB rgb(18, 59, 12)

HSL hsl(112 66% 14%)

CMYK cmyk(69, 0, 80, 77)

Luminance 0.0328

Contrast Black 1.66:1White 12.68:1

CSS

--color-123b0c: #123B0C;
.background-123b0c { background-color: #123B0C; }
.text-123b0c { color: #123B0C; }

Luminance0.0328

Black text1.66:1AA Fail

White text12.68:1AA Pass

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#123B0C","rgb":[18,59,12],"hsl":[112,66,14],"cmyk":[69,0,80,77],"luminance":0.0328,"contrast":{"black":1.66,"white":12.68}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.66,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.68,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Matte Black","hex":"#1A1A1A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.21,"contrastWhite":17.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#350C3B","hex":"#350C3B","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.27,"contrastWhite":16.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","dark","jewel tone","dark green","jewel tone green","British Racing Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/123b0c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json"]}

Harmonies

{"complementary":"#350C3B","analogous":["#2A3B0C","#0C3B1D"],"triadic":["#0C123B","#3B0C12"],"tetradic":["#0C2A3B","#350C3B","#3B1D0C"],"splitComplementary":["#1D0C3B","#3B0C2A"],"monochromatic":["#2A871C","#123B0C","#000000"]}

Variants

{"light":"#2A871C","dark":"#000000","saturated":"#0D4304","desaturated":"#183314","pastel":"#3E9631","neon":"#0F7000"}

Nearest named colors

[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":31.591137997862628},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":36.29049462324811},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":36.72873534441391},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":39.698866482558415},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":40.01249804748511}]

HEX meaning and use

About #123B0C

#123B0C is classified as a cool green value with dark and jewel tone visual character. #123B0C is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 18, 59, and 12, with green carrying the strongest channel weight. In HSL, the hue is 112deg with 66% saturation and 14% lightness, so this page treats it as a moderate-saturation, dark atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and rich accent palettes. Its luminance is 0.0328, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.59, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.66:1AA Fail

White text12.68:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #123B0C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.66:1 · Fail

White text#FFFFFF12.68:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Matte Black#FFFFFF text · best 17.41:1#1A1A1A

Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C

#350C3B#FFFFFF text · best 16.56:1#350C3B

Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#123B0C#123B0C

#350C3B#350C3B

#2A3B0C#2A3B0C

#0C3B1D#0C3B1D

#2A871C#2A871C

Black#000000

Color Harmonies

#350C3B#350C3B

#2A3B0C#2A3B0C

#0C3B1D#0C3B1D

#0C123B#0C123B

#3B0C12#3B0C12

Variants

#2A871C#2A871C

Black#000000

#0D4304#0D4304

#183314#183314

#3E9631#3E9631

#0F7000#0F7000

Nearest Named Colors

British Racing Green#004225

Carbon Fiber#1C1C1C

Matte Black#1A1A1A

Raisin#242124

Rubber#2A2725

#123B0C

CSS

Machine-Readable HEX Data (JSON)

About #123B0C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides